Analysts' Upgrades, Downgrades: Google

CHANGE IN RATINGS

Atheros Communication (ATHR Quote) upgraded at Deutsche Bank to Buy from Hold. Management sees top line growth, improving PC trends, and share gains across product lines. Raised price target to $25 from $17.

Cullen/Frost Bankers (CFR Quote) downgraded at RBC to Sector Perform from Outperform based on current valuation and trading near proposed price target. Maintained price target of $50.

CenturyTel (CTL Quote) upgraded at Citigroup. Rating raised to Buy from Hold. Raising price target to $37 from $35. 2009 EPS estimates lowered to $3.23 from $3.26.

Eldorado Gold (EGO Quote) downgraded at Credit Suisse to Neutral from Outperform. Cites seasonal downturn in gold prices, valuation, and a possible takeover of SGX. Maintained price target of $10.50.

FMC Tech (FTI Quote) upgraded at FBR to Outperform from Market Perform. Speculations of rapid growth for 2010 and the possibility of a major contract in Brazil led to the upgrade. Raised price target to $51 from $33.

Fulton Financial (FULT Quote) upgraded at RBC to Sector Perform from Underperform. Beliefs of strong post-recession results and current valuation led to the increase in ratings. Maintained price target of $5.

Goldman Sachs (GS Quote) upgraded at Bernstein from Market Perform to Outperform. $176 price target. Expect fixed-income revenue to grow.

Keycorp (KET Quote) upgraded at RBC to Top Pick from Sector Perform. The progress of capital raising and current valuation which overestimates risk associated with rising credit deterioration prompted the upgrade. Raised price target to $6.50 from $6.00.

NRG Energy (NRG Quote) upgraded at Jefferies. Rating raised to Buy from Hold. Price target raised to $25.00 from $22.50. 2009 EPS estimates raised from $2.00 from $2.25.